Financial Instruments With Off-Balance Sheet Risk - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Loan Purchase Commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Outstanding loan commitment under financial instrument off balance sheet risk	$ 37,300	$ 30,500
Unused lines of Credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Outstanding loan commitment under financial instrument off balance sheet risk	$ 329	$ 359

The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

No definition available.

Name:	us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant